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Mighty Bay Bridge endures as engineering marvel - San Francisco Chronicle

San Francisco Chronicle

Mighty Bay Bridge endures as engineering marvel
San Francisco Chronicle
The center anchorage, or Moran's Pier as it is sometimes called, contains more concrete than was used in the Empire State Building and is larger than the Great Pyramid of Giza. It is one of the engineering marvels of the world. Four mighty steel towers ...

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28.03.2015 (3728日前)
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